package com.hk.service.demo;

import com.hk.domain.entity.User;
import com.baomidou.mybatisplus.extension.service.IService;

import java.util.List;

/**
 * <p>
 * 第一张测试表 服务类
 * </p>
 *
 * @author yixin
 * @since 2023-02-12
 */
public interface UserService extends IService<User> {


    List<User> getAllUser();


    User queryUserByName(String username);

    User queryUserHaveNull(String username);

    void deleteUserHaveNullData(String username);

    boolean removeData(String username, String password);

}
